AD 2007-04-16
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Boeing | 767 | Airworthiness Directives; Boeing Model 767 Airplanes |
Unsafe Condition
Reports indicate that certain fuel boost pumps may lack a pump shaft flame arrestor, and the pin holding the flame arrestor can break due to metal fatigue. This could allow flame migration from the pump inlet to the fuel tank vapor space, potentially igniting fuel vapors and causing a fire or explosion.
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Required Actions
Inspect each main tank fuel boost pump for the presence of a pump shaft flame arrestor. Replace the pump if the flame arrestor is missing with one having a pump shaft flame arrestor. Perform repetitive measurements of the flame arrestor's position and take corrective actions if necessary. Replace the pump with a new or modified pump to end repetitive measurements.
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Compliance Time
Before further flight
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Affected Aircraft
All Boeing Model 767 airplanes.
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Source: Official FAA Source ↗
Retrieved: Apr 6, 2026
Rights: U.S. Government Public Domain
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